content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------------
   * XYLineAnnotationTests.java
   * --------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 19-Aug-2003 : Version 1 (DG);
   * 07-Jan-2005 : Added hashCode() test (DG);
   * 23-Apr-2008 : Added testPublicCloneable() (DG);
   *
   */
  
  package org.jfree.chart.annotations;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.junit.jupiter.api.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.GradientPaint;
  import java.awt.Stroke;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link XYLineAnnotation} class.
   */
  public class XYLineAnnotationTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          Stroke stroke = new BasicStroke(2.0f);
          XYLineAnnotation a1 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          XYLineAnnotation a2 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          assertEquals(a1, a2);
          assertEquals(a2, a1);
  
          a1 = new XYLineAnnotation(11.0, 20.0, 100.0, 200.0, stroke, Color.BLUE);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 20.0, 100.0, 200.0, stroke, Color.BLUE);
          assertEquals(a1, a2);
  
          a1 = new XYLineAnnotation(11.0, 21.0, 100.0, 200.0, stroke, Color.BLUE);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 21.0, 100.0, 200.0, stroke, Color.BLUE);
          assertEquals(a1, a2);
  
          a1 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke, Color.BLUE);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke, Color.BLUE);
          assertEquals(a1, a2);
  
          a1 = new XYLineAnnotation(11.0, 21.0, 101.0, 201.0, stroke, Color.BLUE);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 21.0, 101.0, 201.0, stroke, Color.BLUE);
          assertEquals(a1, a2);
  
          Stroke stroke2 = new BasicStroke(0.99f);
          a1 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke2, Color.BLUE);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke2, Color.BLUE);
          assertEquals(a1, a2);
  
          GradientPaint g1 = new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.WHITE);
          GradientPaint g2 = new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.WHITE);
          a1 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke2, g1);
          assertFalse(a1.equals(a2));
          a2 = new XYLineAnnotation(11.0, 21.0, 101.0, 200.0, stroke2, g2);
          assertEquals(a1, a2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashCode() {
          Stroke stroke = new BasicStroke(2.0f);
          XYLineAnnotation a1 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          XYLineAnnotation a2 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          assertEquals(a1, a2);
          int h1 = a1.hashCode();
          int h2 = a2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          Stroke stroke = new BasicStroke(2.0f);
          XYLineAnnotation a1 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          XYLineAnnotation a2 = (XYLineAnnotation) a1.clone();
          assertNotSame(a1, a2);
          assertSame(a1.getClass(), a2.getClass());
          assertEquals(a1, a2);
      }
  
      /**
       * Checks that this class implements PublicCloneable.
       */
      @Test
      public void testPublicCloneable() {
          Stroke stroke = new BasicStroke(2.0f);
          XYLineAnnotation a1 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
          assertTrue(a1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          Stroke stroke = new BasicStroke(2.0f);
          XYLineAnnotation a1 = new XYLineAnnotation(10.0, 20.0, 100.0, 200.0,
                  stroke, Color.BLUE);
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(a1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          XYLineAnnotation a2 = (XYLineAnnotation) in.readObject();
          in.close();
  
          assertEquals(a1, a2);
  
      }
  
  }
  